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2111220021110 = 25317216655591
BaseRepresentation
bin11110101110001110100…
…001001111011101110110
321110211102112221022200012
4132232032201033131312
5234042234311133420
64253514152020222
7305350000041254
oct36561641173566
97424375838605
102111220021110
117443aa731902
122a1203391672
13124119745655
147427dad55d4
1539db7267dc5
hex1eb8e84f776

2111220021110 has 16 divisors (see below), whose sum is σ = 3800316409632. Its totient is φ = 844461259200.

The previous prime is 2111220021091. The next prime is 2111220021143. The reversal of 2111220021110 is 111200221112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3010586 + ... + 3645005.

It is an arithmetic number, because the mean of its divisors is an integer number (237519775602).

Almost surely, 22111220021110 is an apocalyptic number.

2111220021110 is a deficient number, since it is larger than the sum of its proper divisors (1689096388522).

2111220021110 is a wasteful number, since it uses less digits than its factorization.

2111220021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687319.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111220021110 its reverse (111200221112), we get a palindrome (2222420242222).

The spelling of 2111220021110 in words is "two trillion, one hundred eleven billion, two hundred twenty million, twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 31721 63442 158605 317210 6655591 13311182 33277955 66555910 211122002111 422244004222 1055610010555 2111220021110